SWT용 Glimmer DSL Hello, Canvas Data-Binding! (+ 쿼드 & 큐빅)
아래는 업데이트된 Hello, Canvas Data-Binding! 샘플 애니메이션 스크린샷, 코드 및 비디오 자습서.
업데이트된 Hello, Canvas 데이터 바인딩! 비디오 데모:
업데이트된 Hello, Canvas 데이터 바인딩! 암호:
require 'glimmer-dsl-swt'
class HelloCanvasDataBinding
class PathShape
attr_accessor :foreground_red, :foreground_green, :foreground_blue, :line_width_value, :line_style_value
def foreground_value
[foreground_red, foreground_green, foreground_blue]
end
def line_style_value_options
[:solid, :dash, :dot, :dashdot, :dashdotdot]
end
end
class LinePathShape < PathShape
attr_accessor :x1_value, :y1_value, :x2_value, :y2_value
end
class QuadPathShape < PathShape
attr_accessor :x1_value, :y1_value, :cx_value, :cy_value, :x2_value, :y2_value
def point_array
[x1_value, y1_value, cx_value, cy_value, x2_value, y2_value]
end
end
class CubicPathShape < PathShape
attr_accessor :x1_value, :y1_value, :cx1_value, :cy1_value, :cx2_value, :cy2_value, :x2_value, :y2_value
def point_array
[x1_value, y1_value, cx1_value, cy1_value, cx2_value, cy2_value, x2_value, y2_value]
end
end
include Glimmer::GUI::Application # alias for Glimmer::UI::CustomShell / Glimmer::UI::CustomWindow
CANVAS_WIDTH = 300
CANVAS_HEIGHT = 300
before_body do
@line = LinePathShape.new
@line.x1_value = 5
@line.y1_value = 5
@line.x2_value = CANVAS_WIDTH - 5
@line.y2_value = CANVAS_HEIGHT - 5
@line.foreground_red = 28
@line.foreground_green = 128
@line.foreground_blue = 228
@line.line_width_value = 3
@line.line_style_value = :dash
@quad = QuadPathShape.new
@quad.x1_value = 5
@quad.y1_value = CANVAS_HEIGHT - 5
@quad.cx_value = (CANVAS_WIDTH - 10)/2.0
@quad.cy_value = 5
@quad.x2_value = CANVAS_WIDTH - 5
@quad.y2_value = CANVAS_HEIGHT - 5
@quad.foreground_red = 28
@quad.foreground_green = 128
@quad.foreground_blue = 228
@quad.line_width_value = 3
@quad.line_style_value = :dot
@cubic = CubicPathShape.new
@cubic.x1_value = 5
@cubic.y1_value = (CANVAS_WIDTH - 10)/2.0
@cubic.cx1_value = (CANVAS_WIDTH - 10)*0.25
@cubic.cy1_value = (CANVAS_WIDTH - 10)*0.25
@cubic.cx2_value = (CANVAS_WIDTH - 10)*0.75
@cubic.cy2_value = (CANVAS_WIDTH - 10)*0.75
@cubic.x2_value = CANVAS_WIDTH - 5
@cubic.y2_value = (CANVAS_WIDTH - 10)/2.0
@cubic.foreground_red = 28
@cubic.foreground_green = 128
@cubic.foreground_blue = 228
@cubic.line_width_value = 3
@cubic.line_style_value = :dashdot
end
body {
shell(:no_resize) {
text 'Hello, Canvas Data-Binding!'
tab_folder {
tab_item {
grid_layout(6, true) {
margin_width 0
margin_height 0
horizontal_spacing 0
vertical_spacing 0
}
text 'Line'
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'x1'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'y1'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@line, :x1_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@line, :y1_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'x2'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'y2'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@line, :x2_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@line, :y2_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground red'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground green'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground blue'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@line, :foreground_red]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@line, :foreground_green]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@line, :foreground_blue]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'line width'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'line style'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum 255
selection <=> [@line, :line_width_value]
}
combo(:read_only) {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
selection <=> [@line, :line_style_value]
}
@line_canvas = canvas {
layout_data(:center, :center, false, false) {
horizontal_span 6
width_hint CANVAS_WIDTH
height_hint CANVAS_WIDTH
}
background :white
line {
x1 <= [@line, :x1_value]
y1 <= [@line, :y1_value]
x2 <= [@line, :x2_value]
y2 <= [@line, :y2_value]
foreground <= [@line, :foreground_value, computed_by: [:foreground_red, :foreground_green, :foreground_blue]]
line_width <= [@line, :line_width_value]
line_style <= [@line, :line_style_value]
}
@line_oval1 = oval {
x <= [@line, :x1_value, on_read: ->(val) {val - 5}]
y <= [@line, :y1_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :black
}
@line_oval2 = oval {
x <= [@line, :x2_value, on_read: ->(val) {val - 5}]
y <= [@line, :y2_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :black
}
on_mouse_down do |mouse_event|
@selected_shape = @line_canvas.shape_at_location(mouse_event.x, mouse_event.y)
@selected_shape = nil unless @selected_shape.is_a?(Glimmer::SWT::Custom::Shape::Oval)
@line_canvas.cursor = :hand if @selected_shape
end
on_drag_detected do |drag_detect_event|
@drag_detected = true
@drag_current_x = drag_detect_event.x
@drag_current_y = drag_detect_event.y
end
on_mouse_move do |mouse_event|
if @drag_detected && @selected_shape
delta_x = mouse_event.x - @drag_current_x
delta_y = mouse_event.y - @drag_current_y
case @selected_shape
when @line_oval1
@line.x1_value += delta_x
@line.y1_value += delta_y
when @line_oval2
@line.x2_value += delta_x
@line.y2_value += delta_y
end
@drag_current_x = mouse_event.x
@drag_current_y = mouse_event.y
end
end
on_mouse_up do |mouse_event|
@line_canvas.cursor = :arrow
@drag_detected = false
@selected_shape = nil
end
}
}
tab_item {
grid_layout(6, true) {
margin_width 0
margin_height 0
horizontal_spacing 0
vertical_spacing 0
}
text 'Quad'
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'x1'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'y1'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@quad, :x1_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@quad, :y1_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'control x'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'control y'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@quad, :cx_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@quad, :cy_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'x2'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'y2'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@quad, :x2_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@quad, :y2_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground red'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground green'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground blue'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@quad, :foreground_red]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@quad, :foreground_green]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@quad, :foreground_blue]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'line width'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'line style'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum 255
selection <=> [@quad, :line_width_value]
}
combo(:read_only) {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
selection <=> [@quad, :line_style_value]
}
@quad_canvas = canvas {
layout_data(:center, :center, false, false) {
horizontal_span 6
width_hint CANVAS_WIDTH
height_hint CANVAS_WIDTH
}
background :white
path {
foreground <= [@quad, :foreground_value, computed_by: [:foreground_red, :foreground_green, :foreground_blue]]
line_width <= [@quad, :line_width_value]
line_style <= [@quad, :line_style_value]
quad {
point_array <= [@quad, :point_array, computed_by: [:x1_value, :y1_value, :cx_value, :cy_value, :x2_value, :y2_value]]
}
}
@quad_oval1 = oval {
x <= [@quad, :x1_value, on_read: ->(val) {val - 5}]
y <= [@quad, :y1_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :black
}
@quad_oval2 = oval {
x <= [@quad, :cx_value, on_read: ->(val) {val - 5}]
y <= [@quad, :cy_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :dark_gray
}
@quad_oval3 = oval {
x <= [@quad, :x2_value, on_read: ->(val) {val - 5}]
y <= [@quad, :y2_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :black
}
on_mouse_down do |mouse_event|
@selected_shape = @quad_canvas.shape_at_location(mouse_event.x, mouse_event.y)
@selected_shape = nil unless @selected_shape.is_a?(Glimmer::SWT::Custom::Shape::Oval)
@quad_canvas.cursor = :hand if @selected_shape
end
on_drag_detected do |drag_detect_event|
@drag_detected = true
@drag_current_x = drag_detect_event.x
@drag_current_y = drag_detect_event.y
end
on_mouse_move do |mouse_event|
if @drag_detected && @selected_shape
delta_x = mouse_event.x - @drag_current_x
delta_y = mouse_event.y - @drag_current_y
case @selected_shape
when @quad_oval1
@quad.x1_value += delta_x
@quad.y1_value += delta_y
when @quad_oval2
@quad.cx_value += delta_x
@quad.cy_value += delta_y
when @quad_oval3
@quad.x2_value += delta_x
@quad.y2_value += delta_y
end
@drag_current_x = mouse_event.x
@drag_current_y = mouse_event.y
end
end
on_mouse_up do |mouse_event|
@quad_canvas.cursor = :arrow
@drag_detected = false
@selected_shape = nil
end
}
}
tab_item {
grid_layout(6, true) {
margin_width 0
margin_height 0
horizontal_spacing 0
vertical_spacing 0
}
text 'Cubic'
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'x1'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'y1'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@cubic, :x1_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@cubic, :y1_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'control 1 x'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'control 1 y'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@cubic, :cx1_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@cubic, :cy1_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'control 2 x'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'control 2 y'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@cubic, :cx2_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@cubic, :cy2_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'x2'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'y2'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_WIDTH
increment 3
selection <=> [@cubic, :x2_value]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum CANVAS_HEIGHT
increment 3
selection <=> [@cubic, :y2_value]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground red'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground green'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
text 'foreground blue'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@cubic, :foreground_red]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@cubic, :foreground_green]
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 2
}
maximum 255
increment 10
selection <=> [@cubic, :foreground_blue]
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'line width'
}
label {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
text 'line style'
}
spinner {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
maximum 255
selection <=> [@cubic, :line_width_value]
}
combo(:read_only) {
layout_data(:fill, :center, false, false) {
horizontal_span 3
}
selection <=> [@cubic, :line_style_value]
}
@cubic_canvas = canvas {
layout_data(:center, :center, false, false) {
horizontal_span 6
width_hint CANVAS_WIDTH
height_hint CANVAS_WIDTH
}
background :white
path {
foreground <= [@cubic, :foreground_value, computed_by: [:foreground_red, :foreground_green, :foreground_blue]]
line_width <= [@cubic, :line_width_value]
line_style <= [@cubic, :line_style_value]
cubic {
point_array <= [@cubic, :point_array, computed_by: [:x1_value, :y1_value, :cx1_value, :cy1_value, :cx2_value, :cy2_value, :x2_value, :y2_value]]
}
}
@cubic_oval1 = oval {
x <= [@cubic, :x1_value, on_read: ->(val) {val - 5}]
y <= [@cubic, :y1_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :black
}
@cubic_oval2 = oval {
x <= [@cubic, :cx1_value, on_read: ->(val) {val - 5}]
y <= [@cubic, :cy1_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :dark_gray
}
@cubic_oval3 = oval {
x <= [@cubic, :cx2_value, on_read: ->(val) {val - 5}]
y <= [@cubic, :cy2_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :dark_gray
}
@cubic_oval4 = oval {
x <= [@cubic, :x2_value, on_read: ->(val) {val - 5}]
y <= [@cubic, :y2_value, on_read: ->(val) {val - 5}]
width 10
height 10
background :black
}
on_mouse_down do |mouse_event|
@selected_shape = @cubic_canvas.shape_at_location(mouse_event.x, mouse_event.y)
@selected_shape = nil unless @selected_shape.is_a?(Glimmer::SWT::Custom::Shape::Oval)
@cubic_canvas.cursor = :hand if @selected_shape
end
on_drag_detected do |drag_detect_event|
@drag_detected = true
@drag_current_x = drag_detect_event.x
@drag_current_y = drag_detect_event.y
end
on_mouse_move do |mouse_event|
if @drag_detected && @selected_shape
delta_x = mouse_event.x - @drag_current_x
delta_y = mouse_event.y - @drag_current_y
case @selected_shape
when @cubic_oval1
@cubic.x1_value += delta_x
@cubic.y1_value += delta_y
when @cubic_oval2
@cubic.cx1_value += delta_x
@cubic.cy1_value += delta_y
when @cubic_oval3
@cubic.cx2_value += delta_x
@cubic.cy2_value += delta_y
when @cubic_oval4
@cubic.x2_value += delta_x
@cubic.y2_value += delta_y
end
@drag_current_x = mouse_event.x
@drag_current_y = mouse_event.y
end
end
on_mouse_up do |mouse_event|
@cubic_canvas.cursor = :arrow
@drag_detected = false
@selected_shape = nil
end
}
}
}
}
}
end
HelloCanvasDataBinding.launch
업데이트된 Hello, Canvas 데이터 바인딩! 비디오 자습서
유튜브:
Glimmer On!
Reference
이 문제에 관하여(SWT용 Glimmer DSL Hello, Canvas Data-Binding! (+ 쿼드 & 큐빅)), 우리는 이곳에서 더 많은 자료를 발견하고 링크를 클릭하여 보았다 https://dev.to/andyobtiva/glimmer-dsl-for-swt-hello-canvas-data-binding-quads-cubics-8ac텍스트를 자유롭게 공유하거나 복사할 수 있습니다.하지만 이 문서의 URL은 참조 URL로 남겨 두십시오.
우수한 개발자 콘텐츠 발견에 전념
(Collection and Share based on the CC Protocol.)
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